The rapidly growing birth rate brings about a lot of environment problems, which the government is supposed to take _____.

Many people spoke highly of the plan at the meeting, but _______ I don’t think it is of much practical use.

Kathy has wasted so much time playing,  ___failing in the exam.

To understand the grammar of the sentence, you must break it       into parts. 

 Anyone, whether he is an official or a bus driver, should be       respected.